School Physics Notes: Particle models of state changes and latent heat

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Thermal energy Part 4. Particle model theory applied to motion - thermal energy transfers in state changes

Sub-index for this section on applying particle theory to state changes, latent heat, internal energy

4.1 Kinetic particle theory to explain gas. liquid & solid thermal energy stores

4.2 What is the internal energy of a substance?

4.3 Energy transfer in state changes, conservation of mass, no chemical change

4.4 Introduction to latent heat and physical changes of state

4.5 A heating curve - state changes on increasing the internal energy of a system

4.6 A cooling curve - state changes on decreasing the internal energy of a system

4.7 Everyday examples of latent heat internal energy transfers, defining specific latent heat, examples of worked-out calculations involving specific latent heat

4.8 The particle model of a gas - motion and gas pressure calculations

4.9 Considering the internal and external pressures of a container of gas - the effects of changing quantity, volume or temperature

4.10 Increasing the energy store of gas - work done and temperature effects

4.11 Factors that affect the rate of evaporation and condensation

4.12 What is the lowest temperature possible? Kelvin absolute temperature scale

See also the GCSE level chemistry notes on the states of matter

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Thermal energy topic notes

Introduction to heat transfer - conduction (and thermal conductivity), convection and radiation

Specific heat capacity: How to determine it, use of data, calculations and thermal energy stores

More on methods of reducing heat transfer in a house, investigating insulating properties of materials

The density of materials and the particle model of matter

Energy transfer and efficiency - calculations and Sankey diagrams

Particle theory models, internal energy, heat transfer in state changes and latent heat and particle motion in gases (written more from a 'physics' point of view)


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